Work to change port if app is newly started.

README.md

@@ -15,3 +15,7 @@ rosrun axis_imu axis_imu _frame_id:=imu_frame _rate:=100 _root_passwd:=pass _cam
 The port specification only works the first time.  To get it to work
 again go to the app section in the camera and stop and start the
 motionloggerudp app.
+
+The orientation is not filled in since I do not get sensible values from my camera.
+
+Patch the code if you need.